Term: equilibrium sedimentation https://doi.org/10.1351/goldbook.E02186 Definition: A method by which the distribution of the concentration of the solute or dispersed component in a dilute solution or dispersion along the centrifuge cell is measured at sedimentation equilibrium and the results are interpreted in terms of molar masses or their distribution, or both. Related Terms: 1) dilute solution (http://doi.org/10.1351/goldbook.D01739). 2) sedimentation equilibrium (http://doi.org/10.1351/goldbook.S05536). Source: Purple Book, 1st ed., p. 62 (http://old.iupac.org/publications/books/author/metanomski.html) Citation: 'equilibrium sedimentation' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.E02186 License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.